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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
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    <title>Document</title>
    <style>
        .red {
            color: red;
        }
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</head>

<body>
    <ul id="ul1">
        <li>选项1-1</li>
        <li>选项1-2</li>
        <li>选项1-3</li>
        <li data-1-abc-1="123" class="red">选项1-4</li>
        <li>选项1-5</li>
    </ul>
    <ul id="ul2">
        <li>选项2-1</li>
        <li>选项2-2</li>
        <li>选项2-3</li>
        <li>选项2-4</li>
        <li>选项2-5</li>
    </ul>
</body>

</html>
